<template>
	
	<view>
		<view class="search-box">
			<my-search @click="gotoSearch"></my-search>
		</view>
		<!-- 轮播图区域 -->
		<swiper :indicator-dots="true" :autoplay="true" :interval="4000" :duration="1000" :circular="true">
			<swiper-item v-for="(item,i) in swiperList" :key="i">
				<navigator class="swiper-item"
					:url="'/subPackages/goods_detail/goods_detail?goods_id=' + item.goods_id">
					<image :src="item.image_src"></image>
				</navigator>
			</swiper-item>
		</swiper>

		<!-- 分类导航 -->
		<view class="nav-list">
			<view class="nav-item" v-for="(item,i) in navList" :key="i" @click="navClickHandler(item)">
				<image class="nav-img" :src="item.image_src"></image>
			</view>
		</view>

		<!-- 楼层区域 -->
		<view class="floor-list">
			<view class="floor-item" v-for="(item,i) in floorList" :key="i">
				<image class="floor-title" :src="item.floor_title.image_src"></image>
				<view class="floor-img-box">
					<navigator class="left-img-box" :url="item.product_list[0].url">
						<image :src="item.product_list[0].image_src"
							:style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
					</navigator>
					<view class="right-img-box">
						<navigator v-for="(item2,i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
							<image :src="item2.image_src" :style="{width: item2.image_width + 'rpx'}" mode="widthFix">
							</image>
						</navigator>
					</view>
				</view>
			</view>
		</view>


	</view>
</template>

<script>
	export default {
		data() {
			return {
				swiperList: [],
				navList: [],
				floorList: []
			};
		},
		onLoad() {
			this.getSwiperList(),
				this.getNavList(),
				this.getFloorList()
		},
		methods: {
			//async修饰后, 此函数为异步函数
			async getSwiperList() {
				//1 发起请求
				//await 必须用在async修饰的函数内
				//设置const变量
				const {
					data: res
				} = await uni.$http.get('api/public/v1/home/swiperdata')
				//2 请求失败处理
				if (res.meta.status !== 200) {
					return uni.$showMsg()
				}
				//3 请求成功赋值
				this.swiperList = res.message
				uni.$showMsg('数据请求成功！')
			},
			async getNavList() {
				const {
					data: res
				} = await uni.$http.get('api/public/v1/home/catitems')
				if (res.meta.status !== 200) return uni.$showMsg()
				this.navList = res.message

			},
			async getFloorList() {
				const {
					data: res
				} = await uni.$http.get('api/public/v1/home/floordata')
				if (res.meta.status !== 200) uni.$showMsg()
				res.message.forEach(floor => {
					floor.product_list.forEach(prod => {
						prod.url = '/subPackages/goods_list/goods_list?' + prod.navigator_url.split(
							'?')[1]
					})
				})
				this.floorList = res.message

			},
			navClickHandler(item) {
				if (item.name === '分类') {
					uni.switchTab({
						url: "/pages/cate/cate"
					})
				}
			},
			gotoSearch(){
				uni.navigateTo({
					url:'/subPackages/search/search'
				})
			}
		}
	}
</script>

<style lang="scss">
	swiper {
		height: 330rpx;

		.swiper-item,
		image {
			height: 100%;
			width: 100%;
		}
	}

	.nav-list {
		display: flex;
		justify-content: space-around;
		margin: 15px 0;
	}

	.nav-img {
		height: 128rpx;
		width: 140rpx;
	}

	.floor-title {
		display: flex;
		height: 60rpx;
		width: 100%;
	}

	.floor-img-box {
		display: flex;
		padding-left: 10rpx;
	}

	.right-img-box {
		display: flex;
		flex-wrap: wrap;
		justify-content: space-around;
	}
	.search-box{
		//设置定位效果为吸顶
		position: sticky;
		//设置吸顶的位置
		top:0;
		//提高层级，防止被轮播图覆盖
		z-index: 999;
	}
</style>